Died in 1812

Jan 5 Sir Richard Hughes 2nd Baronet a British naval commander.
Jan 7 Joseph Dennie an American author and journalist who was one of the foremost men of letters of the Federalist Era. A Federalist, Dennie is best remembered for his series of essays entitled The Lay Preacher and as the founding editor of Port Folio, a journal espousing classical republican values. Port Folio was the most highly regarded and successful literary publication of its time, and the first important political and literary journal in the United States. Timothy Dwight IV once referred to Dennie as "the Addison of America" and "the father of American Belles-Lettres."
Jan 23 Robert Craufurd a Scottish soldier. After a military career which took him from India to the Netherlands, he was given command of the Light Division in the Napoleonic Peninsular War under the Duke of Wellington. Craufurd was a strict disciplinarian and somewhat prone to violent mood swings which earned him the nickname "Black Bob". He was mortally wounded storming the lesser breach in the Siege of Ciudad Rodrigo on 19 January 1812 and died four days later
Jan 27 John Perkins (Royal Navy officer) a British Royal Navy officer. Perkins was the first black commissioned officer in the Royal Navy. He rose from obscurity to be one of the most successful ship captains of the Georgian navy. He captained a 10-gun schooner during the American War of Independence and in a two-year period captured at least 315 enemy ships
Feb 2 Isaac Titsingh a Dutch surgeon, scholar, merchant-trader and ambassador.
Feb 7 Thomas Blount (statesman) an American Revolutionary War veteran and statesman from the state of North Carolina.
Feb 9 Franz Anton Hoffmeister a German composer and music publisher.
Feb 17 Henri François Anne de Roussel a French naturalist.
Feb 24 Étienne-Louis Malus a French officer, engineer, physicist, and mathematician.
Feb 28 Hugo Kołłątaj a Polish Roman Catholic priest, social and political activist, political thinker, historian and philosopher. He is seen as one of the most prominent figures of the Enlightenment in Poland
Feb 29 Prince Jibrael of Georgia a Georgian royal prince of the Bagrationi dynasty. He was a son of King George XII of Georgia by his second wife Mariam Tsitsishvili. After the Russian annexation of Georgia, he lived in Saint Petersburg, where he was known as Tsarevich Gavriil Georgiyevich
Mar 2 John Raphael Smith an English painter and mezzotint engraver, son of Thomas Smith of Derby, the landscape painter, and father of John Rubens Smith, a painter who emigrated to the United States.
Mar 4 Joachim Chreptowicz a Polish-Lithuanian noble, poet, Grand Secretary of Lithuania, marshal of the Lithuanian Tribunal, Deputy and later last Grand Chancellor of Lithuania. Member of the Permanent Council, activist of the Commission of National Education, physiocrat, supporter of Targowica Confederation
Mar 11 Philip James de Loutherbourg a Franco-English painter who became known for his large naval works, his elaborate set designs for London theatres, and his invention of a mechanical theatre called the "Eidophusikon". He had an interest in faith-healing and the occult and was a companion of Cagliostro
Mar 19 Charles Cameron (architect) a Scottish architect who made an illustrious career at the court of Catherine II of Russia. Cameron, practitioner of early neoclassical architecture, was the chief architect of Tsarskoye Selo and Pavlovsk palaces and the adjacent new town of Sophia from his arrival in Russia in 1779 to Catherine's death in 1796. All his indisputable tangible works "can be encompassed in a day's tour"; Cameron concentrated exclusively on country palaces and landscape gardens. Twice dismissed by Paul of Russia during the Battle of the palaces, Cameron enjoyed a brief revival of his career under Alexander I in 1803–1805. Apart from the well-researched Catherinian period , Cameron's life story remains poorly documented, not in the least due to Cameron's own efforts to shake off the bad reputation he had earned in the 1770s in London
Mar 20 Jan Ladislav Dussek a Czech composer and pianist. He was an important representative of Czech music abroad in the second half of the 18th century and the beginning of the 19th century. Some of his more forward-looking piano works have traits often associated with Romanticism
Mar 24 Johann Jakob Griesbach born at Butzbach, a small town in the state of Hesse-Darmstadt, where his father, Konrad Kaspar , was pastor. Griesbach's fame rests upon his work in New Testament criticism, in which he inaugurated a new epoch. His solution to the synoptic problem bears his name, but the Griesbach hypothesis has been modernly referred to as the Two-Gospel hypothesis
Mar 27 Joachim Albertini an Italian-born composer, who spent most of his life in Poland. His opera Don Juan albo Ukarany libertyn was performed in the 1780s with both Italian and Polish libretti
Mar 30 Gunning Bedford Jr. an American lawyer and politician from Wilmington, in New Castle County, Delaware. He served in the Delaware General Assembly, as a Continental Congressman from Delaware and as a delegate to the U.S. Constitutional Convention of 1787. He is often confused with his cousin, Gunning Bedford, an officer in the Continental Army during the American Revolution and Governor of Delaware
Apr 20 George Clinton (vice president) an American soldier and statesman, considered one of the Founding Fathers of the United States. He served as Governor of New York from 1777 to 1795, then again from 1801 to 1804, then serving as the fourth Vice President of the United States from 1805 to 1812, serving under Presidents Thomas Jefferson and James Madison. Until the election of Terry Branstad of Iowa in November 2014, he was the longest-serving governor in the history of the United States , and he and John Calhoun are the only persons to have served as Vice President under two different U.S. Presidents
May 5 Augustus Christian Frederick Duke of Anhalt-Köthen a German prince of the House of Ascania, ruler of the principality of Anhalt-Köthen, and from 1806 the first "Duke of Anhalt-Köthen.".
May 7 Gottlieb Schick a German Neoclassical painter. His history paintings, portraits, and landscapes are characterized by romantic tendencies. Of these, he is best known for his portraits
May 11 Spencer Perceval the Prime Minister of the United Kingdom from 4 October 1809 until his death on 11 May 1812. He is the only British Prime Minister to have been assassinated. He is also the only Solicitor General or Attorney General to have been Prime Minister
May 13 Johannes Matthias Sperger an Austrian contrabassist and composer.
May 14 Duncan Ban MacIntyre one of the most renowned of Scottish Gaelic poets and formed an integral part of one of the golden ages of Gaelic poetry in Scotland during the 18th century. He is best known for his poem about Beinn Dorain; "Moladh Beinn Dòbhrain" :
May 18 John Bellingham the assassin of British Prime Minister Spencer Perceval. This murder is the only assassination of a British Prime Minister
May 20 Count Hieronymus von Colloredo Prince-Bishop of Gurk from 1761 to 1772 and Prince-Archbishop of Salzburg from 1771 until 1803, when the prince-archbishopric was secularized. After secularization, Colloredo continued until his death in 1812 as archbishop of Salzburg, but bereft of temporal power
May 21 Joseph Wölfl an Austrian pianist and composer.
Jun 2 Jan Willem de Winter a Dutch admiral of the Napoleonic Wars.
Jun 15 Anton Stadler an Austrian clarinet and basset horn player for whom Wolfgang Amadeus Mozart wrote both his Clarinet Quintet and Clarinet Concerto.
Jun 16 Franz Pforr a painter of the German Nazarene movement.
Jul 4 Jan Paweł Łuszczewski a Polish politician who was an envoy to the Four-Year Sejm and later the Minister for Interior and Religious Affairs in the Duchy of Warsaw from 5 October 1807 until his death. He was also a Mason
Jul 10 Carl Ludwig Willdenow a German botanist, pharmacist, and plant taxonomist. He is considered one of the founders of phytogeography, the study of the geographic distribution of plants. Willdenow was also a mentor of Alexander von Humboldt one of the earliest and best known phytogeographers
Jul 14 Christian Gottlob Heyne a German classical scholar and archaeologist as well as long-time director of the Göttingen State and University Library.
Jul 17 John Broadwood the Scottish founder of the piano manufacturer Broadwood and Sons.
Jul 22 Louis-Alexandre de Launay comte d'Antraigues a French pamphleteer, diplomat, spy and political adventurer during the French Revolution and Napoleonic Wars.
Jul 24 Jean-Marie Dorsenne a French military commander of the Revolutionary and Napoleonic Wars. He eventually became one of the senior commanders in the Imperial Guard
Jul 24 Louis Thomas Villaret de Joyeuse a French admiral.
Jul 24 Joseph Schuster (composer) a German composer.
Jul 27 Prince Clemens Wenceslaus of Saxony a German prince from the House of Wettin and the Archbishop-Elector of Trier from 1768 until 1803, the Prince-Bishop of Freising from 1763 until 1768, the Prince-Bishop of Regensburg from 1763 until 1769, and the Prince-Bishop of Augsburg from 1768 until 1812.
Aug 1 Yakov Kulnev Petrovich Kulnev was, along with Pyotr Bagration and Aleksey Yermolov, one of the most popular Russian military leaders at the time of the Napoleonic Wars. Suvorov's admirer and participant of 55 battles, he lost his life during Napoleon's invasion of Russia
Aug 4 Georg Simon Klügel a German mathematician and physicist.
Aug 12 Jean-Joseph Rodolphe an Alsatian horn player, violinist and composer.
Aug 17 Michal Grabowski a brigadier general of the Army of Duchy of Warsaw.
Aug 22 Charles-Étienne Gudin de La Sablonnière a French general during the French Revolutionary Wars and Napoleonic Wars.
Aug 23 Tethart Philipp Christian Haag a Dutch artist. He was born at Kassel in Germany
Aug 23 Bernhard Erasmus von Deroy from the Electorate of the Palatinate became a noted general officer in the army of Bavaria. His military career began shortly after the start of the Seven Years' War. During the French Revolutionary Wars he first served on the side of the Coalition against the French revolutionaries, then fought as an ally of the First French Empire during the Napoleonic Wars. Deroy and his colleague, Karl Philipp von Wrede, were dominant personalities in the Bavarian military during the era of Napoleon Bonaparte
Aug 30 Gabriel-Marie Legouvé a French poet.
Sep 1 Andrei Budberg a Russian Empire diplomat who served as Foreign Minister in 1806–07.
Sep 7 Auguste-Jean-Gabriel de Caulaincourt a French cavalry commander who rose to the rank of general during the First French Empire. He was the son of French general and senator Gabriel-Louis de Caulaincourt and younger brother of general and diplomat Armand Augustin Louis de Caulaincourt